MongoDB Interview Questions
1. What are NoSQL databases? What are the different types of NoSQL databases?
2. What is MongoDB?
3. What are Indexes in MongoDB?
4. What are the types of Indexes available in MongoDB?
5. Explain Index Properties in MongoDB?
6. How many indexes does MongoDB create by default for a new collection?
7. Can you create an index in an array field in MongoDB?
8. Why does Profiler use in MongoDB?
9. How to remove attribute from MongoDB Object?
10. What is "Namespace" in MongoDB?
11. What is Replication in Mongodb?
12. What is Replica Set in MongoDB?
13. How does MongoDB ensure high availability?
14. What is an Embedded MongoDB Document?
15. How can you achieve primary key - foreign key relationships in MongoDB?
16. When should we embed one document within another in MongoDB?
17. How is data stored in MongoDB?
18. What are the differences between MongoDB and SQL-SERVER?
19. How can you achieve transaction and locking in MongoDB?
20. When to Use MongoDB Rather than MySQL?
21. How MongoDB supports ACID transactions and locking functionalities?
22. What are the best practices for MongoDB Transactions?
23. Explain limitations of MongoDB Transactions?
24. Should I normalize my data before storing it in MongoDB?
25. What is upsert operation in MongoDB?
26. Is there an "upsert" option in the mongodb insert command?
27. How to perform a delete operation in MongoDB?
28. If you remove a document from database, does MongoDB remove it from disk?
29. Explain the structure of ObjectID in MongoDB?
30. Can one MongoDB operation lock more than one database?
31. What is Sharding in MongoDB?
32. What is Aggregation in MongoDB?
33. Why are MongoDB data files large in size?
34. How can you isolate your cursors from intervening with the write operations?
35. Does MongoDB provide a facility to do text search?
36. What is a Storage Engine in MongoDB?
37. How to condense large volumes of data in Mongodb?
38. Explain relationships in MongoDB?
39. What is splitting in MongoDB?
40. Explain what is horizontal scalability in mongodb?